From patchwork Mon Mar 2 13:07:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Qun X-Patchwork-Id: 11415521 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4F6B992A for ; Mon, 2 Mar 2020 13:09:48 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 30E4D21739 for ; Mon, 2 Mar 2020 13:09:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 30E4D21739 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:60798 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j8kpP-0001Sx-At for patchwork-qemu-devel@patchwork.kernel.org; Mon, 02 Mar 2020 08:09:47 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48911) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j8ko7-0006pf-4E for qemu-devel@nongnu.org; Mon, 02 Mar 2020 08:08:28 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j8ko4-0003SH-Ph for qemu-devel@nongnu.org; Mon, 02 Mar 2020 08:08:25 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:51764 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j8ko4-0003Ms-Dc; Mon, 02 Mar 2020 08:08:24 -0500 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 404A2974DEB5C69ADDAE; Mon, 2 Mar 2020 21:07:58 +0800 (CST) Received: from huawei.com (10.133.205.93) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.439.0; Mon, 2 Mar 2020 21:07:47 +0800 From: Chen Qun To: , Subject: [PATCH v3 05/12] scsi/scsi-disk: Remove redundant statement in scsi_disk_emulate_command() Date: Mon, 2 Mar 2020 21:07:08 +0800 Message-ID: <20200302130715.29440-7-kuhn.chenqun@huawei.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20200302130715.29440-1-kuhn.chenqun@huawei.com> References: <20200302130715.29440-1-kuhn.chenqun@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.133.205.93] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 45.249.212.32 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , peter.maydell@linaro.org, zhang.zhanghailiang@huawei.com, Chen Qun , Euler Robot , Paolo Bonzini Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Clang static code analyzer show warning: scsi/scsi-disk.c:1918:5: warning: Value stored to 'buflen' is never read buflen = req->cmd.xfer; ^ ~~~~~~~~~~~~~ Reported-by: Euler Robot Signed-off-by: Chen Qun Reviewed-by: Laurent Vivier --- Cc: Paolo Bonzini Cc: Fam Zheng --- hw/scsi/scsi-disk.c | 1 - 1 file changed, 1 deletion(-) diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 10d0794d60..1c0cb63a6f 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -1915,7 +1915,6 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf) r->iov.iov_base = blk_blockalign(s->qdev.conf.blk, r->buflen); } - buflen = req->cmd.xfer; outbuf = r->iov.iov_base; memset(outbuf, 0, r->buflen); switch (req->cmd.buf[0]) {